Unsupervised Probabilistic Model
Unsupervised probabilistic models aim to discover underlying structure and patterns in data without relying on labeled examples, a crucial task when ground truth is unavailable or expensive to obtain. Current research focuses on developing flexible models, such as those incorporating Gaussian mixture models, latent Dirichlet allocation, and neural networks, to handle diverse data types including images, sequential data like electronic health records, and point clouds. These advancements enable applications ranging from improved medical diagnosis and personalized treatment through analysis of patient data to robust image reconstruction and 3D object registration, demonstrating the significant impact of unsupervised learning across various scientific domains.